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Synthesis of new superabsorbent poly (NIPAAm/AA/N-allylisatin) nanohydrogel for effective removal of As(Ⅴ) and Cd(Ⅱ) toxic metal ions

Viran P. Mahida ,  Manish P. Patel

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Citation:  Viran P. Mahida, Manish P. Patel. Synthesis of new superabsorbent poly (NIPAAm/AA/N-allylisatin) nanohydrogel for effective removal of As(Ⅴ) and Cd(Ⅱ) toxic metal ions[J]. Chinese Chemical Letters, 2014, 25(4): 601-604. doi: 10.1016/j.cclet.2014.01.031 shu

Synthesis of new superabsorbent poly (NIPAAm/AA/N-allylisatin) nanohydrogel for effective removal of As(Ⅴ) and Cd(Ⅱ) toxic metal ions

    • 通讯作者: Manish P. Patel,
摘要: The present studies highlight the effective removal of As(Ⅴ) and Cd(Ⅱ) from aqueous solutions by superabsorbent poly (NIPAAm/AA/N-allylisatin) nanohydrogel. Batch removal studies were performed as a function of treatment time, initial metal ion concentration, pH, and adsorbent dose. TEM micrographs confirm the particle size distribution in the range between 5 nmand 10 nm. The simple and metal ions adsorbed nanohydrogels were characterized by FT-IR, TGA, and EDX analysis. Finally, the equilibrium removal efficiency of the nanohydrogel was analyzed according to the Langmuir and Freundlich adsorption isotherm models which showed the removal of As(Ⅴ) and Cd(Ⅱ) metal ions fitted to Freundlich and Langmuir isotherms, respectively. Removal efficiency order of the metal ions is As(Ⅴ) > Cd(Ⅱ).

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  • 发布日期:  2014-01-24
  • 收稿日期:  2013-08-02
  • 网络出版日期:  2014-01-02
通讯作者: 陈斌, bchen63@163.com
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